Despite derivatives reform being the primary cause for debate, the private equity industry is concerned about the impact of the Senate bill.When the Volcker rule first emerged, people dismissed it a little. But it increasingly looks like it is going to happen. It will be costly for the banks to disentangle the relationships, said a private equity partner in New York.In January, many felt the Volcker rule was a statement of intent that would be amended and softened because private equity was not the...